Like most states in the U.S., Daylight Saving Time is
observed in
Tennessee, where the time is shifted forward by 1 hour,
resulting in a 4 hours and 5 hours difference behind GMT for the Eastern
and Western part of
Tennessee respectively.

After the Summer months the time in Tennessee is shifted
back by 1 hour to standard time

USA & Canada clocks

Daylight Saving Time dates 2015

Sunday 8 March 2015 2am local time
until Sunday 1 November 2015 2am local time
see: Daylight-Saving-Time.com
for details